Cita APA (7a ed.)

Simpson, D. D., & Sells, S. B. (1990). Opioid Addiction and Treatment: A 12-Year Follow-Up. R.E. Krieger.

Cita Chicago Style (17a ed.)

Simpson, Dennis Dwayne, y Saul B. Sells. Opioid Addiction and Treatment: A 12-Year Follow-Up. [Erscheinungsort nicht ermittelbar]: R.E. Krieger, 1990.

Cita MLA (9a ed.)

Simpson, Dennis Dwayne, y Saul B. Sells. Opioid Addiction and Treatment: A 12-Year Follow-Up. R.E. Krieger, 1990.